DMSNESSetMFFunction#
set SNES residual evaluation function used in applying the matrix-free Jacobian with -snes_mf_operator
Synopsis#
#include "petscsnes.h"
#include "petscdm.h"
PetscErrorCode DMSNESSetMFFunction(DM dm, SNESFunctionFn *func, void *ctx)
Logically Collective
Input Parameters#
func - residual evaluation function; see
SNESFunctionFnfor calling sequencectx - optional function context
Note#
If not provided then the function provided with SNESSetFunction() is used
See Also#
SNES: Nonlinear Solvers, DMSNES, DMSNESSetContext(), SNESSetFunction(), DMSNESSetJacobian(), DMSNESSetFunction(), SNESFunctionFn
Level#
developer
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages